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A: C++, unlike only about every other language with exceptions, is extremely accomodating while it comes to what you can throw. Actually, you can throw anything you akin to. That begs the question then, what should you throw?
In general, it's best to throw objects, not built-ins. If achievable, you must throw instances of classes which derive (ultimately) from the std::exception class. Through making your exception class inherit (ultimately) from the standard exception base-class, you are making life simpler for users (they have the alternative of catching most things by std::exception), plus probably you are providing them with more information (as the fact that your particular exception might be a refinement of std::runtime_error or whatever).
The common practice is to throw temporary:
#include
class MyException : public std::runtime_error {
public:
MyException() : std::runtime_error("MyException") { }
};
void f()
{
// ...
throw MyException();
}
Here, a temporary of type MyException is created & thrown. Class MyException inherits from class std::runtime_error that (ultimately) inherits from class std::exception.
Add words in Dictionary: void Dictionary::add( Object& objectToAdd ) { if( !objectToAdd.isAssociation() ) ClassLib_error( __ENOTASSOC ); else
b) The static keyword let a variable to maintain its value among distinct function calls. If the value of a static variable alters while the variable has been accessed, variable
minimum shelf
Define some features of external storage class in c program? The features of an external storage class variable are as follows: Storage - memory Default initial value -
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A: this is a procedure during exception handling while the destructor is called for all local objects in the stack among the place where the exception was thrown & where this is ca
Program to sort a range of numbers with Insertion: /* define variable */ const int max=29000; int list[max]; FILE *fp; clock_t start,end; char any1[8];
#question:-program to counts tha no of occurances of the string in the nth padovan string
how to write a program using arrays
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